Cheap Mercedes Benz Slk cars under £20,000
With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check
120 Mercedes Benz Slk cars under £20,000 - 41 reductions
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Recently reduced (41)
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include alloys, mp3 compatible, full service history, bluetooth interface, audio, cd, sports suspension, radio, climate control, auto climate control, speakers, bluetooth, passenger, wind deflector, centre console, alloy wheels, pas, bluetooth system, servic...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
This car has air bag, parktronic, leather, service history, immobiliser, heated seats, headlamp wash, black, bluetooth, electronic stability programme, driver, anti lock brakes, steering wheel leather, cruise control, climate control, exterior lighting, full serv...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Includes We have much more to tell you about this car so please feel free to call us for more details...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
This car has heated seats, abs, finance available, anti lock braking system, service history, navigation system, air conditioning, leather, driver, automatic, airbags, black, airbag, air con, 18in alloy wheels, part exchange welcome, mot, alloy wheels...eee
£11,799
Was £11,995 Save £196
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 62,597 miles | Convertible | 2143 | diesel | automatic | 2 doors
This model has airbag, heated front seats, radio, heated seats, pas, leather, warranty, airbags, convertible, alarm, air conditioning, audio 20, black, sat nav, brake assist, diesel, passenger, parktronic, anti lock braking system, audio, cd, automatic, air con, ab...eee
£10,500
Was £11,500 Save £1,000
Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2015 | 47,200 miles | Convertible | 2143 | diesel | automatic | 2 doors
Featuring low mileage, radio, alarm, leather interior, electric windows, heated front seat, finance available, cd, air conditioning, dab digital radio, alloy wheels, speed limiter, wind deflector, daytime running lights, climate control, air con, heated seats,...eee
£10,495
Was £10,995 Save £500
Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr
2007 | 24,700 miles | Convertible | 2996 | petrol | automatic | 0 doors
Description includes passenger, speakers, air bag passenger, side protection mouldings, trip computer, steering wheel mounted controls, cruise control, spare wheel, air bag, fog lights, adjustable steering column, alloy wheels, air bag driver, leather, upholstery cloth, ...eee
£9,995
Was £10,495 Save £500
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2015 | 66,000 miles | Convertible | 2143 | diesel | automatic | 2 doors
Includes alloys, airbag, driver, leather, warranty, 18in alloy wheels, abs, full leather, bluetooth interface, audio 20, alloy wheels, service history, radio, low mileage, pas, air conditioning, airbags, audio, anti lock braking system, alarm, brake assist, a...eee
£9,750
Was £9,950 Save £200
Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto
2012 | 54,000 miles | Convertible | 1796 | petrol | automatic | 2 doors
Features include air conditioning, sports suspension, dab digital radio, bluetooth interface, remote boot release, head restraints, wind deflector, radio, electronic stability programme, automatic, cd, speakers, usb, 18in alloy wheels, air con, alarm, alloy wheels, a...eee
£9,699
Was £10,799 Save £1,100
Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2014 | 36,624 miles | Convertible | 2143 | diesel | automatic | 2 doors
Includes passenger, alarm, automatic, diesel, driver, abs with brake assist, convertible, radio, anti lock braking system, black cloth interior, daytime running lights, automatic transmission, aluminium trim, dab digital radio, brake assist, air con, audio, l...eee
120 cars under £20,000
£19,990
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)
2013 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
Features on this model include automatic headlights, service history, cruise control, alloys, daytime running lights, leather, rear parking sensors, led daytime running lights, radio, rear parking sensor, heated seats, sat nav, bluetooth audio streaming, black, full service histor...eee
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Comes with pas, mp3 compatible, audio 20, alloys, centre console, service history, sports suspension, full service history, climate control, alloy wheels, bluetooth interface, bluetooth system, centre console storage, wind deflector, cd, audio, speakers, blueto...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include driver, heated seats, steering wheel leather, steering wheel mounted controls, cruise control, central door locking, parktronic, computer, electronic stability programme, black, anti lock brakes, immobiliser, adjustable steering column, adjustable st...eee
£17,350
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 79,431 miles | Convertible | 5461 | petrol | automatic | 2 doors
Options include air conditioning, passenger, airbags, pas, immobiliser, service history, automatic transmission, airbag, air con, automatic, leather interior, abs, alloy wheels, 18in alloy wheels, alarm, black, leather, anti lock braking system, driver...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Comes with We have much more to tell you about this car so please feel free to call us for more details...eee
£15,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic
2007 | 63,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include steering wheel mounted controls, leather, adjustable steering column/wheel, spare wheel, driver, electric windows, adjustable steering column, climate control, central door locking, speakers, alloy wheels, air bag, electric windows (front)...eee
£14,995
Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto
2015 | 39,000 miles | Convertible | 1991 | petrol | automatic | 0 doors
With petrol, leather, led daytime running lights, daytime running lights, service history, alloys, registered keeper, trip computer, full service history, convertible, black, mot, computer, leather interior, sports seats...eee
£14,000
Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP
2007 | 40,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Description includes electric windows, electronic stability programme, exterior lighting, driver, pas, electric windows (front), tinted glass, speakers, air bag driver, immobiliser, adjustable steering column, steering wheel mounted controls, third brake light, adjustabl...eee
£12,990
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 56,500 miles | Convertible | 2143 | diesel | automatic | 2 doors
Options include climate control, 2 keys, bluetooth interface, heated seats, 18in alloy wheels, bluetooth, cruise control, air conditioning, wind deflector, finance available, rear parking sensors, speed limiter, 2 owners, daytime running lights, audio 20, audio, air...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
Options include airbag, black, mot, anti lock braking system, leather, driver, service history, alloy wheels, air conditioning, 18in alloy wheels, heated seats, air con, part exchange welcome, finance available, abs, airbags, navigation system, automatic...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
